whitespace-before-punctuation (E203)#
Derived from the pycodestyle linter.
Fix is always available.
This rule is unstable and in preview. The --preview
flag is required for use.
What it does#
Checks for the use of extraneous whitespace before ",", ";" or ":".
Why is this bad?#
PEP 8 recommends the omission of whitespace in the following cases: - "Immediately inside parentheses, brackets or braces." - "Immediately before a comma, semicolon, or colon."
Example#
Use instead: